Compressed-air water elevator



June 12, 1923. 1,458,514

V. BETTELONI coMPREssED AIR WATER ELEVATOR Filed Oct. 22, 1920 2SheeZS-Sheeil l ILT UAH

Snoep/woz C1 Z1 l myV/'0 i I @51g @thou/1m31 I June l2, 1923. 2,458,514V. BETTELON:

COMPRESSED AIR WATER ELEVATOR Filed Oct. 22, 1920 2 Sheets-Sheet 2'Jay/9 Patented .lune 12, i923.

, vrrronro Bn'rrnronr, or FLORENCE, tram.

i oorarsnssED-arn Warnncnnnvaroa." I

` Y ffappncaen'ried ocibr 22, 192e. sei-iai No. 418,779. Y f

T all whom it mag/cancela.' i Y y i Be it known' thatVrr'ronioBn'rTELoNI, ay

` subject of 'King of Italy, residingy at Florence, Toscana, Italy, haveinvented new and usetul/ Improvements in` Compressed-Air ,ll/'atei'Elevators, of which the followingis aV spe'ciicz'ition.` y

The invention forming.;` thel subject-matter of ,the present applicationisfan improvethe corresponding applicationy thereof. In

the same`,'Fig. l is vaside elevation off the apparatus as appliedyforWorkingV purposes-fY IFig.l 2 is a longitudinal 'section 'ofthe chestfor 4 they distribution of the rcompressed i air vFiga 3 is atransverse,sectional view ,taken approximatelyv on the line, 3-3 ofFig.r 1,'

'looking in thevdirection of ,the arrows, and drawn to a,y very lmuchlarger scale than Flg.`

., ll, and Fig.,4is la rdetail of` the motive gear attached to thedriving shaft. j

Fig, lshowsthe complete system in wor-lc` ing;l order, with ythefsuctionpipes -w-b-f in communication with| the two receptacles Q -,de,immersedin the liquid to be raised.` The twol pipes connect lthe 'twoIreceptacles #c2-d with the dis-k I tributinpvchest-wl The tworeceptacles are furnished at their lowerrpartwithfvalves -cl-'rll-g'this allows the compressor `to draw in theair froml one o'l'the tworecepta- 'cles and' to compress itin the other, in such manner that, ofthe two receptacles, the one sustainingr the pressure will'tendtodischarge its water, which will be,l driven Vinto the outlet pipethrough one, of the two valves -c2-d2-; thus the same receptacle will beemptied of water but illedlwith compressed air. As soon as thereceptacle has delivered its water,-the passages in the air valve chestare reversed, so that, whereas, at first, {suction was effected from onereceptacle and compression in the other, the converse will now occur, i.e. the compressed` air will be drawn in from the receptacle alreadyyemptied of its water in order that it maybe sent into the otherreceptacle, so that its liq^ uid may, in its turn, be discharged and, inthe mean time, the first receptacle may be permitted to be filled withwater.

' The above mentioned reversion @of the`v chest passages isbrought aboutin the `following manner;y to the driving;y shaft "-9- '(Figf-` land 4i)of the compressor is fitted'V a`-worni 72 gearing with va* worm`-wheel ykwhich convey the/motion of the's'ha'it rgto the aXle 7cy I Said aigle-]cv 'entersk the vboxpea* fitted to ,the chest `-e-' and by meansof theendless screw `geariiipx--fmimparts the motion t0. the ytoothed wheel'-awhich, in its 'turn actson the cam esi -0-, which, by its rotation,imparts motion'to a lever ep# ofthe first class. This leve'r*p-fispivoted vto a 'smallfdouble piston glwhose pistonsf-r-s'- areequal4A in diameter andthe pressure on` whichr equilibrates said rod.r`The'Oscillationl ofthe lever-ip' effects a' rapid reciprocation of thepistor'i'rod 7 atk stated intervals, which, by suitably proportio'ningthe `gearing", maybe.,

varied to suitthecharacteristic features of `the working ofthe'compressor'.` This isone system for Obtainingmotionlofthisjdescription, but other means may fbe'e'mployed to soproducethe same result 'and at the same,timem render it possibletoloc'ate ,theV chest aty any distance from the compressor."

Q Assuming, for instance, thatpthejaxis of the ,helical screwl21`L,which Imovesfthe heli small electric motor, whose speed iswellde?y fined, instead of 'receiving itsimotion from the y'main shaft: ofthe'compressor'lby means `of the wormgearingf fue', manifestly the,"

eect in respect fotv the"'functioningr [of the" system is identical withthat in thefirst instance ,Lit is also plain that the speed ofrotationjoil the cam 0, besides being variedfby the regulationoit lthespeed ofthe smallino-v tor, may alsov be varied by changing'` the4number of `Jteeth Lof the helicoidal lwheel n orl the number of thethreads of 'the helical screw m, or also bythe transmission of themotion ofthe cam 0 by several couples ofy screws and helicoidal wheelsor of gearings, which gradually bring about the slackening of themovement until a veryslow motion is imparted to the cam 0.

The same may be' lsaid should it be ldecoidal wheel n and, therefore,,thecamclike-n -w1se, receives its movement vvdirectlyfrom a sired toemploy a small compressed air mo? tor, viz: ka small aeromotor (insteadof a small electric motor), which by also yacting y in the case ofthevsmall electric motor and tion alluded to, the small double piston g1-vinstead of being operatedfrom the compressor assumesat given intervalsof time one of the two rwell defined positions in order Ato alternatelyclose either the couple of orificesk-s-t-uof the chest -ee- (and, in,this case, into thepipe -awhich is at- I tached to the flange of thechamber .-'y-

is admitted the ,compressed air from the compressorpand through the pipe-bwhichvis attached to the flange of the chamber iii is effected thesuction of the compressor) or 1 the coupleof orifices fw-- of the samechest ef- (and 1in this case through the pipe attachedyto the flange ofthe chamber -fl/-` is effected the suction ofthe compressor and into thepipe attached toy thefiange of the chamber -iisadmittedthe compressedair from the lcompressor itself.)

f In l,order to allow of the compressed air `which has beenaccumulatingin one ofthe klower receptacles 0, d, passing as `"quickly as possibleinto the other receptacle to expel y 4therefromthewater which lias'beenintroduced into it meanwhile, r the length of the pistons i,fs of thesmall double pistonisless thanthewidth ofthe chamber -i/'between thekapertures tand androffthe chamber e 'bef ,tween the aperturesem/w, asshown in Fig.

2, the' result thereby obtained being that during thereversing-Qf thechest-a part ofl the compressed air of one of the receptacles passesrapidly and directlyfroni the chambervv into thefcharnber Ii/l., o rvice-versa, without acting on the compressor piston, 'which vifsof greatadvantage in respect of the use-y ful effect ofthe System and inensuring the proper function-ing of the compressor. Moreover, thevariation of the runfof` the fcurve'of the carrro it is possible,duringthe reversingmotion ofthesmall double piston to kvaryfthe timeduring which the direct discharge off-the compressed air between the two,chambersA y and fv' takes place.l

The parts faand elform together a stuffing boit `for guiding the piston-rod g' at one end thereof while the parts 2 and 3 form together anotherstuiiing box for guiding said rod at lits opposite end. In order thatthe pistons 7' and s. may be made perfectly airtight, by the closure oftwo of the orifices z5-u and --fw-, the bores of which are all of thesame diameter, all that is necessary, in cases where the degree ofpressureis not very high, is that there shall be the least possibledifference between the diameter of the oriices and -nx-fw-V and that ofthe'pistons -frand ,-sa difference of .Ol of atmillimeter beingsufficient. For very high` degrees of pressure, the rairtight littingmay be rendered more perfect by fitting/che pistons The flanges 'and 5serve respectively for the drawing in and expulsion of air from thec.Ompressorn,y

The auxiliary valve allows ythe compressors suction also being takenfromr A liquid raising apparatus, comprising combination, an aircompressor, a pair of receptacles having valve-controlled inlets foradmission yof the liquid to be raised, a distributing chest between thecompressor and said receptacles kfor alternately causing the air to beexhausted ,from .one receptacle and compressed in thel other and viceversa, said chest having a chamber in communication with @achtet-thereceptacles a double piston axially slidablek in said chest for openingone `of'said chambers to lcompression"and, the

other to exhaustion during a part ofthe operation of the compressor, andreversing such action during the remainder of said operation, and a camoperated by the compressor for reciprocating said double" piston. .i

In testimony whereof I have r signed my naine to this specification.

[VITTORIO y BETTELONI.

, Witnesses:

NC, H. MUNN'IE,

R. WYNozpzi,

